Oil burner



June 15 1926. 1,588,662

G. K. CQGSWELL I OIL BURNER Filed Nov. 13 1924 5 Wm. mp

6K 606 s we. 1.. INVENTOR.

W IR

ATTORNEY Patented June 15, 1926.

UNITED STATES PATENT GFFICE.

GEORGE K. CQGSNEL'L, OF DARLDVT, KANSAS.

OIL 'BUBNER.

Application filed No vember must be such that the vapors of combustion can be easily discharged'into the air outside the brooder house, that the flame cannot be accidentally-extinguished, and that the accidental overflow of the fuel can be con ducted to a place ot'satety. The burner hereinafter described embodies these fea tures.

- Referring now to the drawings,

. Figure 1 is a median Vertical sectional view of my burner.

Figure 2 is a plan view of the burner without the spreader plate and without the.

covers for the tuyeres. i v

Figure 3 is a plan view of the assembled burner.

Figure 4 is a view in section on the line 4-4 of Figure 3, looking in the direction of the arrow.

The main casting 10 as shown in Figures land 2 is circular in outline and-has a bottom and several upstanding ribs integral therewith. At the center is the inlet opening surrounded by the cylindrical rib 11. Concentric with the rib 11 is a second rib 12, the top of which is at a higher level than that of the rib 11. The rib 12 encloses a circular chamber which constitutes the combustion chamber or cup.

A third rib 13 surrounds and is concentric with the ribs 11 and 12. The height of the main portion of the rib 13 is a trifle less than that of the ribs 12, but the rib 13 has a plurality of depressed portions 13 whose height is'only a little more than half the hei ht of the main portion. A fourth rib 14 ies just inside the periphery of the casting 10, the annular'flange outside the rib being just wide enough to support the sheet iron wall of the heater. tion from the depressed portions 13 of the wall 13, the wall 14 has substantially the same height as that of the portion 13 but at other points the wall 14 serves only as a support for the heater casing, and in order to save material and to reduce the weight its height may be reduced to a point consistent with its function. V

The casting 10 is also provlde'cl with a In a radial direc-.

18, 1924, Serial. No. 749,643.

plurality of pairs of radial ribs 15;.extending from the rib 13 to the rib 14. Between the ribs 15 of each pair the portions 13 and14 of the circular ribs 13 and 14 have substantially the same height, this being somewhat morethan haltthe height of the radial ribs'15. 15

of each pair constitutes an air passage tuyere, and to better control. the air in The space between the ribs its movement these passages are covered by the lids or covers 16. These covers have ribs 1o on their under sideto prevent displacement of the covers. I f

The-flame spreader 17 is circular in outline-with a laterally projecting ear 17 The ear 17 is apertured to receive a pivot pin 18, such as a bolt or the like, for pivotally securing the flame spreader to a U-shaped support 19. The support '19 is rigidly secured to the base of the casting 10, preferably in one oi the corners formed by the rib 13 with one of the ribs 15. The flame spreader canthus be moved to one side when lighting theburner and then returned n to its operative OI the flame. 7

Since the burner is designed pr11nar1ly for use in brooder houses, 1t is set up from position to direct the course the flocr a sufficient distance to permit the heat' The legs 20 are bolted to the floor of the casting 10, apertures being provided for that purpose in the casting 10. v In assembling the" burner the parts above described are positioned as shown in Figure 1 and the furnace or stove'wall 21 is bolted to the rib 14, the wall 21 being cut away at the entrances of the t-uyeres. The oil inlet pipe 22 is connected through the aperture which is at the center ofthe circular rib 11, being connected to an elevated supply of fuel oil outside the breeder house. Within the space between the circular ribs 12 and 13 there is another aperture 23 for drawing off oil which might overflow. This aperture communicates with a pipe 24which passes through the wall to the outside of the brood- 7 Figure 1, If desired, that portion of the Ann feed pipe 22. I find that better results can be obtained in this manner than could be obtained by regulating the draft. in my burner as described, the draft is automatically regulated by the demands of the flame. The air must enter through the tuyeres, the lids of which compel the air to move in horizontal paths. As soon as the air passes the walls 13. its natural buoyancy tends to carry the air upwardly, this tendency being increased by the intense heat'at these points. The volume of the air coming through the tuyeres as well as the inclination. of the air currents, varies with the intensity of the heat underneath the flame spreader. The top of the circular rib' 12 must be at such a height relative to the air passages that the air currents will strike the top of the rib 12 obliquely and at points above the level of the outlets of the tuyeres. I havefound also that the tuyeres must be angularly di posed toward each other since the flame is otherwise certain to be blown out by the currents of air. I have shown three equidistantly spaced tuyeres, but it is obvious that the number may be varied at will so long as the staggered arrangement is maintained.

In operation the burner is even more simple than in construction. It is necessary only to swing the spreader cap out of the way, to open the oil valve, and to light the burner. T he oil, emerges through a quarterinch pipe, and the flow is certain since there are no small orifices to become carbonized and clogged. The flame is entirely above the top of the rib 12 and appreciably above the oil outlet, thus insuring against all possible danger of backfiring. This danger is still further eliminated by the fact that the fuel reservoir and feed pipe are all in places where the temperatures are considerably be low the flashing point of the fuel. The only place in which soot sometimes is formed is in the combustion cup formed by the rib 12, but such soot can be quickly dislodged by meansof a piece of wire or a nail, or any other suitable tool which happens to be handy.v Such dislodged soot will be quickly consumed after lighting the burner.

in the very improbable event of an overflow of the oil, the overflowing oil will be dangerous to the chicks or where it might be ignited. Neither will it be wasted, since such oil can'be collected and transferred to the oil feed tank when fillingthat receptacle. V g

l have used the-burner'for a number of seasons, in all kinds of weather, and through of oil, there is no tendency of the flame to blow out.

Having thus described my invention in terms which will be readily understood by those skilled in the art to which it pertains, what I believe to be new and desire to secure by Letters Patent of the Unit-ed States is: An oil burner includinga flat circular disc having four concentric upstanding ribs integral therewith, said-disc being provided with a centrally positioned aperture for admitting liquid fuel, the innermost of said ribs surrounding the central aperture of said disc to constitute a passageway for the fuel, the second of said ribs having its upper edge at a higher level than that of the said innermost rib and forming therewith a combustion cup, the third of said ribs having a height less than that of the second of said ribs but greater than that of the said innermost rib and forming with said second rib an annular overflow chamber for the fuel, the fourth of said ribs beingadjacent the periphery of said disc and having its upper edge at a lower level than that of the second of said ribs, a plurality of pairs of radial ribs integral with and connecting said third and fourth concentric ribs, each pair of said radial ribs forming a tuyere for the passageway of air, said third rib being cut away between the ribs of each pair of said radial ribs, and removable covers for said tuyeres, said covers being each adapted to completely cover only one tuyere.

In testimony whereofl atilx my signature.

GEO. K. CGGSWELL, 

